Dolly extension for mobile cart



FIG. 1 is a front and top perspective view of a dolly extension formobile cart showing my new design, the broken lines are for illustrativepurposes only and form no part of the claimed design;

FIG. 2 is a front elevational view thereof.

FIG. 3 is a side elevational view thereof, the opposite side view beinga mirror image of that shown;

FIG. 4 is a top plan view thereof.

FIG. 5 is a rear elevational view thereof.

FIG. 6 is a rear perspective view thereof.

FIG. 7 is a bottom plan view thereof.

The ornamental design for a dolly extension for mobile cart, as shownand described.